#include <string.h>
#include <stdio.h>
int main(void)
{
    char input[] = "Hello world!! I am here!! See you";
    char *p;
    /*strtok places a NULL terminator
    infront of the token,if found*/
    p = strtok(input, "!!");
    if (p)
        printf("%s\n", p);
    /*Asecond call to strtok using a NULL
        as the first parameter returns a pointer
        to the character following the token*/
    p = strtok(NULL, "!!");
    if (p)
        printf("%s\n", p);

    p = strtok(NULL, "!!");
    if (p)
        printf("%s\n", p);

    p = strtok(NULL, "!!");
    if (p)
        printf("%s\n", p);
        
    printf("input:%s\n", input);
    return 0;
}